Fixed-Order H Decentralized Control with Model Based Feedforward for Elastic Web Winding Systems
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This paper presents centralized and decentralized fixed order controller designs with model based feedforward for web winding systems which provide improved web tension and velocity regulation. First, mathematical models of the fundamental elements in a web process line are presented. An improved state space model is then derived for the entire system; the model enables calculation of the phenomenological model feedforward signals and helps in the synthesis of controllers around the set points given by the reference signals. Different control strategies with additive feedforward have been synthesized, especially based PI controllers which are relevant for industrial applications. The strategies have been validated on a nonlinear simulator identified on a 3-motor winding test bench. 2006 IEEE.
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Conference Record of the 2006 IEEE Industry Applications Conference Forty-First IAS Annual Meeting